Valve.



W. BALLARD.

VALVE.

APPLICATION FILED SEPT. 10, I913.

Patented May 18, 1915.

LMHM'L amen/$01 alier Zia! Todll whom it may mm.-

citizenof the United States of America, residing at Oakland, in the county of Alameda and State of California, have invented a which the following is a specification.

fluid controlling vvalves and a has particular application to a valve of the class described for controlling fluid operated motors.

j Incarrying out the present intention, itis i my purpose to improve and simplify the general construction of fluid controlling ina'fter set forth inand falling within the scope of the claim; a i y In theiaccompanying drawings; Figure 1 is a verticalisectional viewthrough a controlling valve constructed 1n accordance with 11116 approximately centrally of Fig; 3.

Referring now to the drawings in detail, 15 designates a casing provided between its ends with inlet and dischargeports 17 (and 18 respectively disposed at diametrically opposite points upon? the casing and adapted to form connections between the casing and the inlet pipe to the motor (not shown)" conports therein is aiport l -Qppening intothe jwithin the caSingisaT h I a transverse borfe- 21 adapted to establish communication between the ports 17 and'18 1 5 sothat thefluid mayflow through the intake I pipe to the motor.; Interpos ed betwee n one e'nd-ofthe casing and the front end of the 7 -Witn'e s'ses:

plug20 is a coiled expansion spring 22 act? ing uponthe plug20 to hold the bore21 nor mally out. of comm unication with the ports;

new-and useful Improvements in Valves, of"

A This inventionlrelates to improvements in valves and to provide a valve which will a operate efliciently and effectively for its intended purpose and which will embody few combination and arrangement of parts here-.

a the .presentin 'ention. Fig.2 is a horizontal -sectional view therethrough taken on a trolled by the valves Also formcd in the casing between the 'inlet, and discharge atmosphere. Mmmtedffoijfsliding movement p h I v I ug 2O formed with. ajacent' end wallfof said casing whereby plug may be actuated} against UNIT STATESPATENT OFFICE/w i5 a wALrnmnAnLAnd oroA LANn, canrronnra, nssrenoa on ONE- HALF :ro GEORGE a BQLLARD, OEOAKLANDQCALIFORNIA. v r

I :Speeiflcationcf Letters Patent;

n Application filed. se t mberiams'. seri irutvsam, y p

1 h Y 17and18; I Also formed in the .plug"vis= Be 1t knownthat'I, WALTER BALLARD', a

1s1n 'normal pos tlon and .the bore20 out 7 of communication with the ports 17 and '18,

anangle passage23 which,1when theplugf W p establishescommunicationbetween the disehargeport' 18 and the port 19'opening intoy the atmosphere so that the motor will be "in; 1' open communication with the atmosphere,

Thefreelendof the plug 20 is prov'idedfwith 1 i a stem 24 disposed in the path of movement \wardlyagainst the action ofsjthe spring 22 communication between the motor and the atmosphere is cut ed and communicationbe-al tween the motorand the source ofsupply established. f, i

I claim:

Avalve for the pu bse 1dscaib-d; com- 1 prisinga. cylindrical. casing having axially a.

alining inlet and. discharge ports ;formed75 therein, anda port'opening into the atmos- 1 phere and disposed "between the first-men a tioned portsandin the same plane with such portsga plug'within s'aid casing and' adapt-I- h ed to slide therein and formed with a boreadapted to register with said inlet and disf charge ports, and with an angle passage posed above theboretherein, a springjinter a posed between one end of "saidcasingand a theadjacent end of the plugland acting uponf the plug to hold theborethereinflnormally 3 y out of engagement with the inlehand discharge ports and thean'gle passage in" com? .munication with the diseh n p atmospheric port whereby the discharg port 9012 I I willbe opened to the atmosphere; andgthe I l stem: connected to :the reinainingenjd '0 "said lug and projecting outwardly ofth actlon i-of {9 5 y the spring" 1 i LIn testimon whereof -I afiix my 'signature in presence 0 twowitnesses. a WALTER BALLARD."

"WILLIAM BROWN, G.NroHoLAs. 3 

